Method for producing 4-vinylcyclohexene, ethyl benzole and styrene
    3.
    发明授权
    Method for producing 4-vinylcyclohexene, ethyl benzole and styrene 失效
    制备4-乙烯基环己烯,乙基苯和苯乙烯的方法

    公开(公告)号:US07193121B2

    公开(公告)日:2007-03-20

    申请号:US10501876

    申请日:2003-02-17

    IPC分类号: C07C5/32

    摘要: The invention relates to a process for preparing 4-vinylcyclohexene, which comprises the steps (A) providing an n-butane-containing feed gas stream, (B) feeding the n-butane-containing feed gas stream into at least one dehydrogenation zone and dehydrogenating n-butane to butadiene to give a product stream comprising butadiene, n-butane, possibly 1-butene and 2-butene and possibly water vapor and other secondary constituents, (C) feeding the product stream from dehydrogenation, if appropriate after separating off water vapor and secondary constituents, into a dimerization zone and catalytically dimerizing butadiene to give a product stream comprising 4-vinylcyclohexene, n-butane and possibly 1-butene, 2-butene and unreacted butadiene, and (D) separating off 4-vinylcyclohexene from the product stream from the dimerization and recirculating n-butane and possibly 1-butene, 2-butene and unreacted butadiene to the dehydrogenation zone.

    摘要翻译: 本发明涉及一种制备4-乙烯基环己烯的方法,其包括步骤(A)提供含正丁烷的进料气流,(B)将含正丁烷的进料气流进料至至少一个脱氢区和 将正丁醇脱氢成丁二烯,得到包含丁二烯,正丁烷,可能的1-丁烯和2-丁烯以及可能的水蒸气和其他二次成分的产物流,(C)如果适当,将脱离后的产物流从分离出来 水蒸气和次要成分,进入二聚化区域并催化二聚丁二烯,得到包含4-乙烯基环己烯,正丁烷和可能的1-丁烯,2-丁烯和未反应的丁二烯的产物流,和(D)将4-乙烯基环己烯从 来自二聚和再循环的正丁烷和可能的1-丁烯,2-丁烯和未反应的丁二烯的产物流到脱氢区。

    Method for the production of butadiene from n-butane
    4.
    发明授权
    Method for the production of butadiene from n-butane 失效
    从正丁烷生产丁二烯的方法

    公开(公告)号:US07034195B2

    公开(公告)日:2006-04-25

    申请号:US10516920

    申请日:2003-07-10

    IPC分类号: C07C5/333

    摘要: The invention relates to a process for preparing butadiene from n-butane comprising the steps (A) providing an n-butane-containing feed gas stream, (B) feeding the n-butane-containing feed gas stream into a first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to 1-butene, 2-butene and optionally butadiene to obtain a first product gas stream comprising n-butane, 1-butene and 2-butene, with or without butadiene and secondary components, (C) feeding the first product gas stream comprising n-butane, 1-butene and 2-butene, with or without butadiene and secondary components, into a second dehydrogenation zone and oxidatively dehydrogenating 1-butene and 2-butene to butadiene to give a second product gas stream comprising butadiene, n-butane and steam, with or without secondary components, (D) recovering butadiene from the second product gas stream.

    摘要翻译: 本发明涉及一种从正丁烷制备丁二烯的方法,包括步骤(A)提供含正丁烷的原料气流,(B)将含正丁烷的进料气流进料到第一脱氢区和非氧化反应 将正丁烷催化脱氢为1-丁烯,2-丁烯和任选的丁二烯以获得含有或不具有丁二烯和二级组分的正丁烷,1-丁烯和2-丁烯的第一产物气流,(C) 将包含或不具有丁二烯和次要组分的正丁烷,1-丁烯和2-丁烯的产物气流转化为第二脱氢区并将1-丁烯和2-丁烯氧化脱氢成丁二烯,得到包含丁二烯的第二产物气流 正丁烷和蒸汽,具有或没有二级组分,(D)从第二产物气流回收丁二烯。

    Method for the production of 1,2-dichloroethane
    5.
    发明授权
    Method for the production of 1,2-dichloroethane 失效
    生产1,2-二氯乙烷的方法

    公开(公告)号:US06900363B2

    公开(公告)日:2005-05-31

    申请号:US10497598

    申请日:2002-12-04

    摘要: A process for preparing 1,2-dichloroethane which comprises (A) feeding an ethane-containing feed gas stream into a dehydrogenation zone and dehydrogenating ethane to ethane to give a product gas stream comprising ethane, ethane and secondary constituents, (B) feeding the ethan- and ethene-containing dehydrogenation product gas stream as a single stream or a plurality of substreams, optionally after having separated off secondary constituents, into one or more chlorination zones, chlorinating ethene to 1,2-dichloroethane to give one or more product gas streams comprising 1,2-dichloroethane, ethane and possibly further secondary constituents, isolating 1,2-dichloroethane and one or more ethane-containing circulating gas streams and recirculating the ethane-containing circulating gas stream or streams to the ethane dehydrogenation.

    摘要翻译: 一种制备1,2-二氯乙烷的方法,其包括(A)将含乙烷的原料气流送入脱氢区并将乙烷脱氢为乙烷,得到包含乙烷,乙烷和第二组分的产物气流,(B) 含有乙烯和乙烯的脱氢产物气流作为单一流或多个子流,任选地在分离出次级成分后,形成一个或多个氯化区,将乙烯氯化成1,2-二氯乙烷,得到一种或多种产物气体 包含1,2-二氯乙烷,乙烷和可能的其它二级成分的物流,分离1,2-二氯乙烷和一种或多种含乙烷的循环气流,并将含乙烷的循环气流或物流再循环到乙烷脱氢。

    Method for producing aldehydes from alkanes
    7.
    发明申请
    Method for producing aldehydes from alkanes 审中-公开
    从烷烃生产醛的方法

    公开(公告)号:US20060122436A1

    公开(公告)日:2006-06-08

    申请号:US10533959

    申请日:2003-11-03

    IPC分类号: C07C45/50

    摘要: Process for preparing saturated aliphatic Cn-aldehydes and Cn-1-alkanes, where n is from 4 to 20, which comprises a) providing a feed gas stream comprising one or more Cn-1-alkanes, b) subjecting the Cn-1-alkanes to a catalytic dehydrogenation to give a product gas stream comprising unreacted Cn-1-alkanes, one or more Cn-1-alkenes and secondary constituents, c) at least partly hydroformylating the Cn-1-alkenes in the presence of the Cn-1-alkanes and possibly the secondary constituents by means of carbon monoxide and hydrogen in the presence of a hydroformylation catalyst to give the Cn-aldehydes, d) separating the product mixture obtained to give a stream comprising the Cn-aldehydes and a stream comprising Cn-1-alkanes and possibly secondary constituents, e) recirculating at least part of the gas stream comprising the Cn-1-alkanes and possibly the secondary constituents as recycle gas stream to the catalytic alkane dehydrogenation (step b)).

    摘要翻译: 制备饱和脂肪族C n - 醛和C n-1-N烷烃的方法,其中n为4至20,其包括a)提供包含一种 或更多的C 1〜n烷烃,b)使C 1 -C 12烷烃进行催化脱氢,得到包含未反应的C n的产物气流 -1个 - 烷烃,一个或多个C n-1 - 烯烃和第二组分,c)至少部分地将C 1 -C 6 - 亚烷基 在加氢甲酰化催化剂存在下,通过一氧化碳和氢气存在C n-1 - 烷烃并且可能存在第二成分,得到C 1 -C 6烷基 ,d)将得到的产物混合物分离得到包含C 1 -C 4烷基的物流和包含C 1〜N 2烷烃的物流,并且可能是二级成分,e)循环 气流的至少一部分包含C n-1 - 烷烃,并且可能是二级的 y成分作为催化烷烃脱氢的再循环气流(步骤b))。

    Method for producing chlorine from hydrochloric from hydrochloric aid
    8.
    发明申请
    Method for producing chlorine from hydrochloric from hydrochloric aid 审中-公开
    从盐酸辅助的盐酸生产氯的方法

    公开(公告)号:US20060099138A1

    公开(公告)日:2006-05-11

    申请号:US10532725

    申请日:2003-10-27

    IPC分类号: C01B7/00

    摘要: Process for preparing chlorine from hydrochloric acid, which comprises the steps: a) providing a hydrochloric acid feed stream I; b) providing a hydrochloric acid recycle stream II; c) separating off a hydrogen chloride stream IV from the hydrochloric acid feed stream I and the hydrochloric acid recycle stream II in a distillation step; d) feeding the hydrogen chloride stream IV, an oxygen-containing steam V and, if desired, an oxygen-containing recycle stream Va into an oxidation zone and oxidizing hydrogen chloride to chlorine in the presence of a catalyst to give a product gas stream VI comprising chlorine, unreacted oxygen, unreacted hydrogen chloride and water vapor; e) separating off hydrogen chloride and water from the product gas stream VI in an absorption step to give a gas stream VII and the hydrochloric acid recycle stream II; f) if desired, drying the gas stream VII; g) separating off an oxygen-containing stream from the gas stream VII and, if desired, recirculating at least part of this as oxygen-containing recycle stream Va to the oxidation zone, leaving a chlorine-containing product stream VIII; h) if desired, further purifying the chlorine-containing product stream VIII.

    摘要翻译: 从盐酸制备氯的方法,其包括以下步骤:a)提供盐酸进料流I; b)提供盐酸循环流II; c)在蒸馏步骤中,从盐酸进料流I和盐酸循环流II中分离出氯化氢料流IV; d)将氯化氢流IV,含氧蒸汽V以及如果需要的话将含氧再循环流Va加入氧化区,并在催化剂存在下将氯化氢氧化成氯,得到产物气流VI 包括氯,未反应的氧,未反应的氯化氢和水蒸气; e)在吸收步骤中从产物气流VI中分离氯化氢和水,得到气流VII和盐酸再循环流II; f)如果需要,干燥气流VII; g)从气流VII中分离含氧物流,如果需要,将其至少部分再循环为含氧再循环流Va至氧化区,留下含氯产物流VIII; h)如果需要,进一步纯化含氯产物流VIII。